"Sat, 14 Sep 2024 09:20:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
09:20:15
General datetime
2024-09-14 09:20:15Z
For Database
2024-09-14 09:20:15
For HTTP1.1
Sat, 14 Sep 2024 09:20:15 GMT